| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.64 | USD | 20251007 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 872.56 | USD | 20251007 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.64 | USD | 20251006 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20251006 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 872.56 | USD | 20251006 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 957.01 | USD | 20251005 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20251005 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.64 | USD | 20251005 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 872.56 | USD | 20251005 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.86 | USD | 20251005 |